title: The molecular ancestry of segmentation mechanisms.
authors.affiliation: Howard Hughes Medical Institute and Department of Biological Chemistry, University of California, Los Angeles, CA 90095-1662, USA. ederobertis@mednet.ucla.edu
authors.forename: E M
authors.initials: EM
authors.lastname: De Robertis
mesh_terms: D000818:Animals; D001181:Arthropods; D005075:Biological Evolution; D019521:Body Patterning / Q000235:genetics; D051880:Receptors, Notch / Q000502:physiology*; D014714:Vertebrates
chemical_list: D051880:Receptors, Notch